The Normal and Lognormal Distributions John Norstad j-norstad@northwestern.edu http://www.norstad.org February 2‚ 1999 Updated: November 3‚ 2011 Abstract The basic properties of the normal and lognormal distributions‚ with full proofs. We assume familiarity with elementary probability theory and with college-level calculus. 1 1 DEFINITIONS AND SUMMARY OF THE PROPOSITIONS 1 Definitions and Summary of the Propositions ∞ √ Proposition 1: −∞ 2 2 1 e−(x−µ) /2σ
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Examination Paper of Logistics Management IIBM Institute of Business Management Examination Paper MM.100 Distribution & Logistics Management Section A: Objective Type & Short Questions (30 marks) This section consists of Multiple Choice & Short Note type questions. Answer all the questions. Part one carries 1 mark each & Part Two carries 5 marks each. Part One: Multiple Choices: 1. It deals with the movement of finished goods from the last point of production to the point
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The bricks encompassing the water narrow the water allowing it to fit through the pipes. 2) Why does the engineer Vitruvius recommend a three part water distribution in a town? A three part water distribution system was recommended by Vitruvius in towns‚ due to several reasons. The primary reason behind this logic was that water distribution would much easier and effective. Pipes were used for each connecting tank‚ allowing water to flow between
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HOMEWORK 2 FROM CHAPTER 6 and 7‚ NORMAL DISTRIBUTION AND SAMPLING Instructor: Asiye Aydilek PART 1- Multiple Choice Questions ____ 1. For the standard normal probability distribution‚ the area to the left of the mean is a. –0.5 c. any value between 0 to 1 b. 0.5 d. 1 Answer: B The total area under the curve is 1. The area on the left is the half of 1 which is 0.5. ____ 2. Which of the following is not a characteristic of the normal probability distribution? a. The mean and median are equal
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Panadol mainly need wide distribution since the consumers do not want to go and seek everywhere for medicine when they need it. They need the products of Panadol to appear everywhere and it large amount so it is easy for them to purchase for their emergencies. For the case of medicine‚ the service level required is not so high. Therefore‚ based on the customers’ needs‚ the objectives of the Panadol Company regarding the distribution channel will have to be wide distribution. Their products must be
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Distribution models of few mobile phone companies: Apple Apple has sold the iPhone through Indian telecom providers‚ who bundle the phones with data services. As Indian telecom companies don’t subsidize the cost of iPhones‚ as in the U.S.‚ these sales have been limited. Recently tied up the local operations of Ingram Micro Inc and Redington (India) Ltd.‚ a local distributor with 12‚000 smaller partners across the country Samsung The Distribution of Samsung mobile phones is divided by zones
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Population distribution is how people are dispersed over a given area. Population distribution is measured by persons per square kilometer. An area (or country) can be densely populated‚ which means there is a high concentration of persons per square kilometer‚ or sparsely populated‚ which means there is a low concentration of persons per square kilometer. The distribution of population can be influenced by both physical and human factors. Physical factors include relief‚ climate‚ vegetation‚ soil
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Jones Electrical Distribution case Jones Electrical Distribution is a wholesaler of electrical components and devices to general contractors and electricians. Although Jones Electrical Distribution has been profitable in the past few years‚ the company experiences a drain on its cash when it attempts to maintain a rapid growth while taking advantage of trade discounts at the rate of 2%. Problems faced by Jones Electrical Distribution are as follows: Should the company maintain a rapid sales growth
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magazines. Magazine catalogs offer a way to shop without leaving your home as well when you pay by check or credit card. People love to spend money and the easier it is to spend money the more willing they are to do it. So which distribution method is best? The direct distribution system in one method and has several subsystems. One distinction between direct systems and indirect systems for example‚ is that in direct systems the marketer does the research themselves. But in indirect systems the marketer
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Physical Distribution Management Part of logistics management‚ physical distribution is concerned with the transporting of merchandise‚ raw materials‚ or by-products‚ such as hazardous waste‚ from the source to the customer. A manager of physical distribution must also assess and control the cost of transporting these goods and materials‚ as well as to determine the most efficient way to store them‚ which usually involves some form of warehousing. Hence‚ physical distribution (PD) is concerned with inventory
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